Home / 6,640,500.76-9,164,544.73-3,887,021.32

Finding the Fourth Proportional to 6,640,500.76, 9,164,544.73 and 3,887,021.32

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Solution

The fourth proportional to 6,640,500.76, 9,164,544.73 and 3,887,021.32 is: 5,364,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,500.76 : 9,164,544.73 = 3,887,021.32 : x
  2. Step 2: Convert to fraction form
    6,640,500.76/9,164,544.73 = 3,887,021.32/x
  3. Step 3: Cross multiply
    6,640,500.76x = 9,164,544.73 × 3,887,021.32
  4. Step 4: Simplify right side
    6,640,500.76x = 35,622,780,720,974.73
  5. Step 5: Solve for x
    x = 35,622,780,720,974.73/6,640,500.76
  6. Step 6: Final answer
    x = 5,364,472.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.